//
// Created by spiro on 19-3-4.
//

#include <stdio.h>
#define SPACE ' '

int main(void) {
    char ch;

    while ((ch = getchar()) != '\n') {
        if (ch == SPACE) {
            putchar(ch);
        } else {
            putchar(ch + 1);
        }
    }
    putchar(ch);
    return 0;
}